Consider the production of hamburgers. The average total cost (ATC) and average fixed cost (AFC) of producing hamburgers are illustrated in the graph to the right. Use the four-point curve drawing tool to graph the average variable cost of producing one, two, three, and four thousand hamburgers. Properly label this curve. Carefully follow the instructions above, and only draw the required objects. Cost (cents per unit) 26 24- 22- 20- 18- 16- 14- 12- 10- 8- 6- 4- 2- ATC AFC Quantity of hamburgers (in 1000s) Q

Bob the Builder is currently producing 20 bookshelves at à total cost of $2,000. His average variable cost is $90. What are Bob's fixed costs? Bob's fixed costs must be $

© Macmillan Learning The figure depicts the long-run average total cost curve for Magma Motors. If this firm is currently producing 11,000 cars per year, what does it experience if it increases output by 1,000 cars? Figure: Long-Run Average Total Cost Curve for Magma Motors Cost (per car) $5,000 4,000 0 Long-run average total cost $10,000 11,000 12,000 Quantity economies of scope economies of scale minimum efficient scale diseconomies of scale

Suppose the imaginary company of Panthera is a small, Raleigh-based American apparel manufacturer specializing in athleisure. The following table presents the brand's total cost of production at several different quantities. Fill in the remaining cells of the following table. Quantity Total Cost (Pairs) (Dollars) Marginal Cost (Dollars) Fixed Cost Variable Cost (Dollars) (Dollars) Average Variable Cost (Dollars per pair) Average Total Cost (Dollars per pair) 0 120 1 210 2 270 3 315 4 380 475 6 630

Sandra and Trey operate a small company that produces souvenir footballs. Their fixed cost is $2,000 per month. Each worker costs $1,000 per month. Their monthly production function for footballs is as given in the accompanying table. Quantity of labor (workers) 2. a. 0 2 3 Quantity of footballs 5 0 300 800 1,200 1,400 1,500 :) For each quantity of labor, calculate average variable cost (AVC), average fixed cost (AFC), average total cost (ATC), and marginal cost (MC). b.) On one diagram, draw the AVC, ATC, and MC curves.

Production Total Product Total Fixed Cost Total variable cost Total Cost Average fixed cost Average variable cost Average Total Cost Marginal Cost 0   0           1   25           2   45           3   60           4   70           5   85           6   105           7   135           8   180           9   240           10   315                             Assume that fixed costs are $50, labor is the only variable input and its costs are reflected completely in the costs above. Complete the table Graph AFC, AVC, ATC, and MC Explain how increasing returns and decreasing returns are depicted in your graph If the labor input increased by $10 at every unit of production, what would be the effect on your graphs?

Calculate total costs at 4 units of output.  Do not put a dollar sign in your answer.  (The 6 columns are Quantity, Total Fixed Cost, Total Variable Cost, Total Cost, Average Total Cost, and Marginal Cost.  The Quantity and Total Variable Cost columns have been filled in along with the first row for Total Fixed Cost.  Average Total Costs and Marginal Costs are not calculated at a quantity of 0.) Quantity Total Fixed Cost Total Variable Cost Total Cost Average Total Cost Marginal Cost 0 15 0   XXXXX XXXXX 1   25       2   40       3   50       4   55       5   65       Calculate average total costs at 2 units of output.   Calculate average total cost at 5 units of output.   Calculate marginal cost at 4 units of output (moving from 3 units to 4 units).   Can you tell if this is the short run or long run?    Can you tell at which level of output profits will be maximized?

6. Firm's Costs 2 Consider the following cost information for a pizzeria: Quantity Total Cost Variable Cost (Dozens of pizzas) (Dollars) (Dollars) 280 1 320 40 2 350 70 3 380 100 4 420 140 470 190 6 530 250 The pizzeria's fixed cost is Complete the third column of the following table by calculating the marginal cost per dozen pizzas using the information on total cost. Then complete the final column by calculating the marginal cost per dozen pizzas using the information on variable cost. Quantity Total Cost Marginal Cost Variable Cost Marginal Cost Using Total Cost (Dollars) Using Variable Cost (Dollars) (Dozens of pizzas) (Dollars) (Dollars) 280 320 40 350 70 AA

Graph the following:  Average Total Cost curve and Average Variable Cost curve with proper positioning

Joanne sells silk screened T-shirts at community festivals and craft fairs. Her marginal cost to produce one T-shirt is $3.50. Her total cost to produce 70 T-shirts is $305, and she sells them for $7 each a. Find the linear cost function for Joanne's T-shirt production b. How many T-shirts must she produce and sell in order to break even? c. How many T-shirts must she produce and sell to make a profit of $700? a. The linear cost function is C(x)= b. Joanne must produce and sell c. Joanine must produce and sell T-shirts in order to break even, because the number of T-shirts must be a whole number T-shirts to make a profit of $700, because the number of T-shirts must be a whole number